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Revert "lmkd: change default lowmem_min_oom_score for low-RAM devices" am: ee6412ebf0 

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/3147096

Change-Id: Id35e2263ddafe50b2f46b52011fcb7d0b96600cf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
This commit is contained in:
Suren Baghdasaryan 2024-06-25 22:23:27 +00:00 committed by Automerger Merge Worker
parent c98f8bdf4d ee6412ebf0
commit 61adbf3b67
2 changed files with 5 additions and 8 deletions
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5
README.md
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@ -104,9 +104,8 @@ properties:
to kill when memory is critically low. Setting it
to 1001 will prevent any kills for this reason. Min
acceptable value is 201 (apps up to perceptible).
Default for low-RAM devices = 1001 (disabled), for
high-end devices = 701 (all cached apps excluding
the last active one).
Default = 701 (all cached apps excluding the last
active one).
lmkd will set the following Android properties according to current system
configurations:

8
lmkd.cpp
View File

@ -169,7 +169,6 @@ static inline void trace_kill_end() {}
/* ro.lmk.swap_compression_ratio property defaults */
#define DEF_SWAP_COMP_RATIO 1
/* ro.lmk.lowmem_min_oom_score defaults */
#define DEF_LOWMEM_MIN_SCORE_LOWRAM (OOM_SCORE_ADJ_MAX + 1)
#define DEF_LOWMEM_MIN_SCORE (PREVIOUS_APP_ADJ + 1)
#define LMKD_REINIT_PROP "lmkd.reinit"
@ -4231,10 +4230,9 @@ static bool update_props() {
GET_LMK_PROPERTY(int64, "direct_reclaim_threshold_ms", DEF_DIRECT_RECL_THRESH_MS);
swap_compression_ratio =
GET_LMK_PROPERTY(int64, "swap_compression_ratio", DEF_SWAP_COMP_RATIO);
lowmem_min_oom_score = std::max(
PERCEPTIBLE_APP_ADJ + 1,
GET_LMK_PROPERTY(int32, "lowmem_min_oom_score",
low_ram_device ? DEF_LOWMEM_MIN_SCORE_LOWRAM : DEF_LOWMEM_MIN_SCORE));
lowmem_min_oom_score =
std::max(PERCEPTIBLE_APP_ADJ + 1,
GET_LMK_PROPERTY(int32, "lowmem_min_oom_score", DEF_LOWMEM_MIN_SCORE));
reaper.enable_debug(debug_process_killing);